Finding the Fourth Proportional to 1,678,664.68, 2,518,974.02 and 705,959.08
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Solution
The fourth proportional to 1,678,664.68, 2,518,974.02 and 705,959.08 is: 1,059,349.50
Step by Step Solution
- Step 1: Write the proportion equation
1,678,664.68 : 2,518,974.02 = 705,959.08 : x - Step 2: Convert to fraction form
1,678,664.68/2,518,974.02 = 705,959.08/x - Step 3: Cross multiply
1,678,664.68x = 2,518,974.02 × 705,959.08 - Step 4: Simplify right side
1,678,664.68x = 1,778,292,581,703.10 - Step 5: Solve for x
x = 1,778,292,581,703.10/1,678,664.68 - Step 6: Final answer
x = 1,059,349.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.